The capacity (size) of the hard disk determines how much data the disc can accommodate.

Width

60 mm (6 cm)

60 mm (6 cm)

Height

130 mm (13 cm)

217 mm (21.7 cm)

Depth

160 mm (16 cm)

217 mm (21.7 cm)

External interface

USB 3.1 (3.1 gen2) (3)

Thunderbolt (3)

Determines the way in which the hard drive is connected to the computer, namely the type of connector through which the drive connects to the device. Each type of connection is unique, and in most cases these connections are not interchangeable.